Disposable smoke mask with replaceable filter

Details Disposable smoke mask with replaceable filter Disposable smoke mask with replaceable filter

1999-10-04

2000-10-24

Mohanty, Bibhu

Apparel

Head coverings

Hoods

21712, 2173, A42B 104

Patent

active

061347167

ABSTRACT:
A smoke mask including a hood adapted to fit over a user's head, the hood having a front section adapted to be placed in front of a user's face; and a filter extending through the hood. The filter having support frame having a filter cartridge receiving opening, a replaceable cartridge containing at least one filtration medium positioned within the opening, and at least one releasable connector securing the cartridge to the frame.

REFERENCES:
patent: 2800901 (1957-07-01), Monro
patent: 4870959 (1989-10-01), Reisman et al.
patent: 5146636 (1992-09-01), De La Pena
patent: 5392465 (1995-02-01), Shou
patent: 5452712 (1995-09-01), Richardson
patent: 5526804 (1996-06-01), Ottestad
patent: 5617849 (1997-04-01), Springett et al.
patent: 5653225 (1997-08-01), Schegerin
patent: 5875775 (1999-03-01), Nur et al.
patent: 5881389 (1999-03-01), Fruge
patent: 5884336 (1999-03-01), Stout
patent: 5978967 (1999-11-01), Williams

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